<!DOCTYPE html>
<html lang="en">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity5"
>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
登录账号:<span sec:authentication="name"></span></br>
登录账号:<span sec:authentication="principal.username"></span></br>
凭证:<span sec:authentication="credentials"></span></br>
权限和角色:<span sec:authentication="authorities"></span></br>
客户端地址:<span sec:authentication="details.remoteAddress"></span></br>
sessionId:<span sec:authentication="details.sessionId"></span></br>

通过权限判断
<button sec:authorize="hasAuthority('/insert')">新增</button>
<button sec:authorize="hasAuthority('/delete')">删除</button>
<button sec:authorize="hasAuthority('/update')">修改</button>
<button sec:authorize="hasAuthority('/select')">查看</button>
<br>

通过角色判断
<button sec:authorize="hasRole('xiaohong')">新增</button>
<button sec:authorize="hasRole('xiaohong')">删除</button>
<button sec:authorize="hasRole('xiaohong')">修改</button>
<button sec:authorize="hasRole('xiaohong')">查看</button>

</body>
</html>